Notes

Report on the current numerous studies regarding PD-1/PD-L1 centered carcinoma of the lung immunotherapy.
Sofosbuvir/Ledipasvir (SOF/LDV) has been approved by the European Medicine Agency (EMA) for the treatment of children and adolescents (at least 3 years of age) with chronic hepatitis C (CHC) genotype 1, 3, and 4 infection. The aim of this study was to evaluate the efficacy and safety of SOF/LDV in adolescents (12 to <18 years old) with CHC in the real-world setting.

Prospective, open-label, multicentre study involving 12 Italian centres. Patients received the fixed-dose combination of SOF/LDV (400/90 mg) once daily ± ribavirin as per EMA approval and recommendations. The key efficacy endpoint was sustained virological response 12 weeks after the end of treatment (SVR12) as per intention-to-treat analysis. Safety was assessed by adverse events and clinical/laboratory data.

Seventy-eight consecutive adolescents (median age 15.2 years, range 12-17.9; girls 53.8%) were enrolled and treated between June 2018 and December 2019. Genotype distribution was as follows genotype 1 (82.1%), 3 (2.5%), and 4 (15.4%). Seventy-six (97.4%) patients completed treatment and follow-up. Overall, SVR12 was 98.7%. Selleck VU661013 One patient was lost to follow-up after 4 weeks of treatment; 1 patient completed treatment and missed the follow-up visit. No virological breakthrough or relapse were observed. No patient experienced grade 3 to 4 adverse event or serious adverse event.

The results of this real-world study confirmed the high efficacy and the optimal safety profile of SOF/LDV for treatment of CHC in adolescents.
The results of this real-world study confirmed the high efficacy and the optimal safety profile of SOF/LDV for treatment of CHC in adolescents.
Complementary feeding should provide a healthy diet with critical nutrients for growth and development. Information is limited on child and infant feeding recommendations within the World Health Organization (WHO) European Region.

The WHO Regional Office for Europe and the European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN) performed a survey of national recommendations on infant and young child nutrition aimed at national government departments of health and national paediatric experts. Questions addressed national recommendations on breast-feeding and complementary feeding.

Information was available from 48 of the 53 Member States. Forty-five of 48 countries (94%) have national recommendations on infant and young child feeding, of which 41 are endorsed by official public health authorities. Regarding introduction of complementary feeding, 25 countries (out of 34, 74%) recommend 6 months of age as the ideal age. The earliest age of introduction recommended varies from 4y foods might increase anemia risk and adversely affect child development. A review and further harmonization of national recommendations appears desirable.
Pediatric intestinal pseudo-obstruction (PIPO) is a severe gastrointestinal disorder occurring in children, leading to failure to thrive, malnutrition, and long-term parenteral nutrition dependence. Enteric smooth muscle actin γ-2 (ACTG2) variants have been reported to be related to the pathogenesis of PIPO. This study aimed to determine the presence of ACTG2 variants in Chinese PIPO patients.

Whole-exome sequencing was performed using samples from 39 recruited patients, whereas whole ACTG2 Sanger sequencing was performed using samples from 2 patients. Published data was reviewed to determine the number of pathogenic variants and the genotype related to ACTG2 variants in the Chinese population.

A total of 21 Chinese probands were found to carry heterozygous missense variants of ACTG2, among which 20 were de novo. Fifteen probands had p.Arg257 variants (c.770G>A and c.769C>T), and the other 2 probands had c.533G>A (p.Arg178His) and c.443G>T (p.Arg148Leu) variants. Four probands had novel variants c.337C>T (p.Pro113Ser), c.588G>C (p.Glu196Asp), c.734A>G (p.Asp245Gly), and c.553G>T (p.Asp185Tyr).

Variants affecting codon 257 of ACTG2 protein sequence appeared to be frequent in both Chinese and Caucasian PIPO patients, whereas p.Arg178 variants were less common in Chinese patients compared with Caucasian patients. The 4 novel variants in ACTG2 were also found to be related to Chinese PIPO.
Variants affecting codon 257 of ACTG2 protein sequence appeared to be frequent in both Chinese and Caucasian PIPO patients, whereas p.Arg178 variants were less common in Chinese patients compared with Caucasian patients. The 4 novel variants in ACTG2 were also found to be related to Chinese PIPO.
Autoantibodies (AAb) and donor-specific HLA antibodies (DSA) are frequently present in pediatric liver transplant (LT) recipients. Their clinical significance remains incompletely understood. We aimed to investigate the prevalence of serum AAb and DSA in pediatric LT recipients and its correlation with patient characteristics and histological and biochemical parameters.

We retrospectively reviewed the data from 62 pediatric LT patients in follow-up at Ghent University Hospital between January 2007 and February 2018. Blood samples with AAb measurement were taken systematically, liver biopsies (LB) were performed on clinical indication.

AAb were detected in 27 (43.3%) patients, with antinuclear antibodies (ANA) being the most frequently (24%) encountered AAb. There was an association between AAb positivity and female gender (P = 0,032) and deceased donor LT (P = 0,006). Patients with positive AAb underwent a higher number of LB during their follow-up (P < 0,001), and an association was found with the putcome parameters post pediatric LT.
Chronic inflammation of Crohn disease (CD) is associated with reduced bone mineral density (BMD). As bone mass is almost exclusively accrued during childhood, early recognition of osteopenia is especially important in pediatric CD. We aimed to identify variables associated with osteopenia to guide dual-energy X-ray absorptiometry (DXA) scan screening to those who most need it.

This was a retrospective inception cohort study of children newly diagnosed with CD, and routinely referred to DXA scans. Demographic and explicit clinical data were recorded along with whole-body less head BMD, adjusted for age, sex, and height by z-scores.

Of the 116 included children (mean age 13 ± 3.1 years, 67 [58%] boys, mean body mass index [BMI] 16.7 ± 2.6), 63 (54%) had normal BMD (z-score > -1) or borderline osteopenia (-1 ≥ z-score > -2) and 53 (46%) had osteopenia (z-score ≤ -2). Osteopenia was associated with lower BMI z-score (-0.8 ± 1.2 vs -1.8 ± 1.1, P < 0.001) and higher PCDAI (33.7 ± 15.2 vs 25.7 ± 16.5; P = 0.
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